If you want to look at how much things have changed over the last decade and a half of gaming, look no further than the tutorial level.
I love tutorial levels. Everything's new and exciting, and there's a new trick or move to learn around every corner. And there were no more glorious tutorials than during the rise of the PC FPS in the late 90s and early 2000s.
One of my favorite tutorial levels is above. It's the introduction to Monolith's 2000 first-person shooter The Operative: No One Lives Forever. Longtime Kotaku readers will know that this game is near and dear to my heart, and after a lengthy Twitter digression last night I decided the time had come to dig up my old copies of it and its sequel and play through them again.